{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["organization", "geographical phenomenon", "location"], "input": "After the Principality of Serbia was formally established ( 1817 ) there were many different foreign coins in circulation ."}
{"organization": [], "geographical phenomenon": [], "location": ["Principality of Serbia"]}